TecDoc sometimes stores fallback configuration in the Windows Registry. Navigate to:
HKEY_CURRENT_USER\Software\TecAlliance\TecDoc or HKLM\...
Look for keys named DataPath, Server, ConfigFile. If they contain invalid values, export the key as a backup, then delete or correct them.
If you have a backup of the configuration file from a time when the system worked: loading data failed check the configuration file tecdoc work
If the error disappears, compare the two files line-by-line using a diff tool (WinMerge, Beyond Compare, or VS Code diff). Look for: If the error disappears, compare the two files
Before diving into fixes, you must identify why the configuration file is causing a data loading failure. Below are the most frequent scenarios in real-world TecDoc deployments. Before diving into fixes, you must identify why